Inventor · disambiguated record
Johann Rechner
Also filed as: RECHNER JOHANN
56 granted patents·7 pending applications·567 citations·filing 1993–2018
98Inventor score
Top patents by PatentIndex Score
63 records- 0196US6548445B1Supported catalysts containing a platinum metal and process for preparing diaryl carbonatesBAYER AG·Filed 1996·Granted Apr 15, 2003·87 cites·20 claims
- 0293US5856554AProcess for producing diaryl carbonatesBAYER AG·Filed 1997·Granted Jan 5, 1999·58 cites·8 claims
- 0393US5821377AProcess for the continuous production of diaryl carbonatesBAYER AG·Filed 1997·Granted Oct 13, 1998·54 cites·9 claims
- 0493US5502232AProcess for preparing diaryl carbonatesBAYER AG·Filed 1994·Granted Mar 26, 1996·58 cites·20 claims
- 0590US8389664B2High molecular weight, random, bisphenol based copoly(phosphonate carbonate)sFREITAG DIETER·Filed 2011·Granted Mar 5, 2013·6 cites·30 claims
- 0689US6001768ASupported catalysts containing a platinum metal and process for preparing diaryl carbonatesBAYER AG·Filed 1996·Granted Dec 14, 1999·41 cites·20 claims
- 0788US10836076B2Process for extruding plastic compositionsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 17, 2020·2 cites·22 claims
- 0888US8518231B2Process for production of diaryl carbonateOOMS PIETER·Filed 2011·Granted Aug 27, 2013·6 cites·19 claims
- 0985US10435507B2Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the sameCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Oct 8, 2019·2 cites·8 claims
- 1085US5625091AProcess for the production of diaryl carbonatesBAYER AG·Filed 1996·Granted Apr 29, 1997·28 cites·6 claims
- 1183US5498742AProcess for the continuous preparation of diaryl carbonatesBAYER AG·Filed 1995·Granted Mar 12, 1996·27 cites·20 claims
- 1281US5523451AProcess for the continuous preparation of aryl carbonatesBAYER AG·Filed 1994·Granted Jun 4, 1996·21 cites·20 claims
- 1380US8648163B2High molecular weight, random, bisphenol based copoly(phosphonate carbonate)sFRX POLYMERS INC·Filed 2013·Granted Feb 11, 2014·2 cites·25 claims
- 1480US5495038AProcess for the purification of diphenyl carbonateBAYER AG·Filed 1995·Granted Feb 27, 1996·21 cites·2 claims
- 1579US8022240B2Processes for purifying diaryl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Sep 20, 2011·5 cites·18 claims
- 1676US5274163AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1993·Granted Dec 28, 1993·14 cites·20 claims
- 1775US8106144B2Process for producing polycarbonateOOMS PIETER·Filed 2010·Granted Jan 31, 2012·3 cites·20 claims
- 1875US5284965AProcess for preparing aromatic carbonatesBAYER AG·Filed 1993·Granted Feb 8, 1994·14 cites·11 claims
- 1974US8952189B2Process for preparing diaryl carbonates or alkyl aryl carbonates from dialkyl carbonatesDÜX ANDRE·Filed 2010·Granted Feb 10, 2015·2 cites·16 claims
- 2073US8039659B2Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Oct 18, 2011·2 cites·18 claims
- 2172US6291392B2Catalysts containing a platinum group metal and produced in a sol-gel method, as well as a method for producing diarylcarbonatesBAYER AG·Filed 1998·Granted Sep 18, 2001·11 cites·12 claims
- 2272US5739258AProcess for preparing diaryl carbonates and the polycarbonates obtainable therefromBAYER AG·Filed 1997·Granted Apr 14, 1998·13 cites·15 claims
- 2370US8882984B2Process for preparing diaryl carbonateOOMS PIETER·Filed 2010·Granted Nov 11, 2014·1 cites·19 claims
- 2468US5550278AProcess for working up the liquid reaction products from the cu-catalysed preparation of dimethyl carbonateBAYER AG·Filed 1994·Granted Aug 27, 1996·11 cites·16 claims
- 2565US9828464B2Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the sameKönig Thomas·Filed 2010·Granted Nov 28, 2017·1 cites·2 claims
- 2665US9738025B2Method for extruding plastic massesKönig Thomas·Filed 2009·Granted Aug 22, 2017·1 cites·17 claims
- 2765US6841626B1Method for hydrogenating aromatic polymers in the presence of special catalystsBAYER AG·Filed 2000·Granted Jan 11, 2005·7 cites·6 claims
- 2863US9944008B2Method for extruding plastic materialsKOENIG THOMAS·Filed 2009·Granted Apr 17, 2018·1 cites·16 claims
- 2963US6071843AProcess for reactivating catalyst systems containing a platinum group metalBAYER AG·Filed 1997·Granted Jun 6, 2000·8 cites·27 claims
- 3061US2011184089A1Method for the extrusion of plastic materialsBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 3161US2009173636A1Process for production of diaryl carbonateBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 3260US5712406AMethod of extractive separation of diaryl carbonates and the original aromatic hydroxy compounds from reaction solutionsBAYER AG·Filed 1997·Granted Jan 27, 1998·7 cites·7 claims
- 3360US5663408AProcess for preparing diaryl carbonatesBAYER AG·Filed 1996·Granted Sep 2, 1997·7 cites·20 claims
- 3456US8354028B2Method for separating an organic phase from an electrolyte-containing aqueous and organic phaseBAYER MATERIALSCIENCE AG·Filed 2007·Granted Jan 15, 2013·0 cites·3 claims
- 3556US5965472ARecovery of catalyst systems from diaryl carbonate-containing reaction solutions by suspension crystallizationBAYER AG·Filed 1997·Granted Oct 12, 1999·6 cites·7 claims
- 3654US7858727B2Process for the preparation of polycarbonateBAYER MATERIALSCIENCE AG·Filed 2009·Granted Dec 28, 2010·0 cites·26 claims
- 3753US5463102AProcess for the continuous production of aryl carbonatesBAYER AG·Filed 1994·Granted Oct 31, 1995·5 cites·20 claims
- 3850US2008053836A1Process for the production of diaryl carbonates and treatment of alkalichloride solutions resulting therefromBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 3949US6417287B1Method for hydrogenating aromatic polymersBAYER AG·Filed 1998·Granted Jul 9, 2002·9 cites·10 claims
- 4046US8987446B2Bimetallic complexes and the use thereof in producing diaryl carbonateGürtler Christoph·Filed 2010·Granted Mar 24, 2015·0 cites·2 claims
- 4146US8173762B2Process for the preparation of polycarbonateOOMS PIETER·Filed 2010·Granted May 8, 2012·0 cites·11 claims
- 4246US6420491B1Method for hydrogenating aromatic polymers in the presence of hydrocarbons which contain oxygenBAYER AG·Filed 1999·Granted Jul 16, 2002·7 cites·7 claims
- 4346US2013072631A1Method for separating an organic phase from an electrolyte-containing aqueous and organic phaseBAYERMATERIAL SCIENCE AG·Filed 2012·Application pending·0 cites
- 4444US9040732B2Process for preparing diaryl carbonates from dialkyl carbonatesDÜX ANDRE·Filed 2009·Granted May 26, 2015·0 cites·27 claims
- 4544US6509510B1Method for hydrogenating aromatic polymers in the presence of special catalystsBAYER AG·Filed 1999·Granted Jan 21, 2003·6 cites·10 claims
- 4643US11040878B2Method for flexibly controlling the use of hydrochloric acid from chemical productionCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Jun 22, 2021·0 cites·15 claims
- 4743US8003817B2Process for the preparation of diaryl carbonates or arylalkyl carbonates from dialkyl carbonatesBAYER MATERIALSCIENCE AG·Filed 2008·Granted Aug 23, 2011·1 cites·14 claims
- 4842US2002128152A1Sol-gel supported catalysts containing a platinum groupFiled 2001·Application pending·0 cites
- 4941US6747118B2Storage of phosphonium phenolate catalysts and their use as interesterification catalystsBAYER AG·Filed 2003·Granted Jun 8, 2004·0 cites·4 claims
- 5041US6437166B1Method for reprocessing reaction mixtures containing diaryl carbonateBAYER AG·Filed 1999·Granted Aug 20, 2002·2 cites·7 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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